Windshield wiper system with extendable wiper arm and pivotable

Details Windshield wiper system with extendable wiper arm and pivotable Windshield wiper system with extendable wiper arm and pivotable

1993-12-08

1995-07-04

Graham, Gary K.

Brushing, scrubbing, and general cleaning

Attachments

Optical-member-attachable cleaner

1525023, 1525024, B60S 136, B60S 106, B60S 120

Patent

active

054288592

ABSTRACT:
A windscreen-wiper system in which a wiper blade is rotatably mounted on a telescopically extendable part of the wiper arm and can be moved, lying substantially flat, laterally over the vehicle windscreen. The drive producing the pivoting motion of the wiper arm is transmitted to the wiper arm via two cable lines, the first of which causes the wiper blade to rotate when its two lengths of cable move relative to each other. The second cable line is used to alter the length of the wiper arm. It consists of paying-out a cable which passes over a first pulley driven by the wiper arm pivoting motion drive and over a second pulley mounted on the lower part of the wiper arm, and is attached to the telescopic part of the wiper arm, and a pulling-in cable which is made up of both the lengths of cable (8,9) and passes from the pulley (10) mounted on the telescopic part of the wiper arm back to the driven pulley (18).

REFERENCES:
patent: 2607065 (1952-08-01), Dahlgren
patent: 2624904 (1953-01-01), Wianco
patent: 2629891 (1953-03-01), Green
patent: 2738536 (1956-03-01), Spencer, Jr.
patent: 2790195 (1957-04-01), Wrobel
patent: 3688334 (1972-09-01), Peterson
patent: 4639966 (1987-02-01), Kuhbauch
patent: 4815159 (1989-03-01), Kuhbach
patent: 4949420 (1990-08-01), Eustache

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